<!DOCTYPE html>
<script src="../../resources/ahem.js"></script>
<script>
internals.settings.setMinimumFontSize(50);
</script>
<svg height="100" font-size="1" font-family="Ahem">
  <rect width="100" height="100" fill="green"/>
  <text y="101" fill="red">X</text>
  <text y="101" fill="red" x="50" text-rendering="geometricPrecision">Y</text>
</svg>
